Php adds background instance code for images

Php adds background instance code for images

Function overlayjpg ($ imgsrc, $ imgdst, $ width, $ height = "") { // $ Imgsrc jpg format image path $ imgdst jpg format Image save file name $ imgwidth to change the width $ imgheight to change the height // Obtain the image width and height $ Arr = getimagesize ($ imgsrc ); // Calculate the x axis of the image. $ Img_X = ($ width-$ arr [0])/2; If ($ height = ""){ $ Heights = $ arr [1]; $ Img_Y = 0; } Else { If ($ height <= $ arr [1]) { $ Heights = $ arr [1]; $ Img_Y = 0; } Else { $ Heights = $ height; $ Img_Y = ($ height-$ arr [1])/2; } } // $ W = $ arr [0]; // $ H = $ arr [1]; // Create image and define colors $ Image = imagecreatetruecolor ($ width, $ heights); // create a colored Basemap $ Bg = imagecolorallocate ($ image, 255,255,255 ); Imagefill ($ image, 0, 0, $ bg ); $ Imgsrc = LoadIMG ($ imgsrc, $ arr ['Mime ']); Imagecopy ($ image, $ imgsrc, $ img_X, $ img_Y, 0, 0, $ arr [0], $ arr [1]); Imagejpeg ($ image, $ imgdst, 90 ); // Imagedestroy ($ image ); } // Load the background image Function LoadIMG ($ imgname, $ mime) { If ($ mime = "image/gif "){ $ Im = @ imagecreatefromgif ($ imgname);/* Attempt to open */ } Elseif ($ mime = "image/png "){ $ Im = @ imagecreatefrompng ($ imgname);/* Attempt to open */ } Else { $ Im = @ imagecreatefromjpeg ($ imgname);/* Attempt to open */ } If (! $ Im) {/* See if it failed */ $ Im = imagecreatetruecolor (150, 30);/* Create a blank image */ $ Bgc = imagecolorallocate ($ im, 255,255,255 ); $ Tc = imagecolorallocate ($ im, 0, 0, 0 ); Imagefilledrectangle ($ im, 0, 0,150, 30, $ bgc ); /* Output an errmsg */ Imagestring ($ im, 1, 5, 5, "Error loading $ imgname", $ tc ); } Return $ im; }